@inproceedings{RecSys-2012-ShaQMD,
	author        = "Xiaolan Sha and Daniele Quercia and Pietro Michiardi and Matteo Dell'Amico",
	booktitle     = "{Proceedings of the Sixth Conference on Recommender Systems}",
	doi           = "10.1145/2365952.2365967",
	isbn          = "978-1-4503-1270-7",
	pages         = "51--58",
	publisher     = "{ACM}",
	title         = "{Spotting trends: the wisdom of the few}",
	year          = 2012,
}